Weather Records on 10 May 1964

259 weather records were set or tied worldwide on 10 May 1964. Highest significance: Milan, IT.

Key Facts for 10 May 1964

On 10 May 1964, 259 weather records were set or tied at long-record stations worldwide.
118 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 249 daily.
Milan set a daily record precipitation of 50.2 mm (2.0 in) on 10 May 1964.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 442 records.

Record Map

259 stations

259 station records on 10 May 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan	Italy	Record daily precipitation	50.2 mm (2.0 in)	59 of 100 (Notable)
Mikhailovka	Kazakhstan	Record daily precipitation	26.7 mm (1.1 in)	49 of 100 (Notable)
Milingimbi	Australia	Record daily precipitation	52.8 mm (2.1 in)	45 of 100 (Notable)
Kokshetay	Kazakhstan	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
Meerut Obsy	India	Record daily precipitation	36.5 mm (1.4 in)	40 of 100 (Notable)
Nepisiguit Falls	Canada	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Pawayan	India	Record daily precipitation	30.2 mm (1.2 in)	36 of 100 (Notable)
Port Blair	India	Record daily precipitation	106.8 mm (4.2 in)	36 of 100 (Notable)
Washington	United States	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Seward AP	United States	Record low minimum temperature	-6.7 C (19.9 F)	35 of 100 (Notable)
Valdez WSO	United States	Record low minimum temperature	-8.9 C (16.0 F)	34 of 100 (Routine)
Dumka	India	Record daily precipitation	42.0 mm (1.7 in)	33 of 100 (Routine)
Eagle	United States	Record low maximum temperature	-7.8 C (18.0 F)	33 of 100 (Routine)
Boa Viagem	Brazil	Record daily precipitation	61.9 mm (2.4 in)	32 of 100 (Routine)
University Exp STN	United States	Record low minimum temperature	-16.7 C (1.9 F)	32 of 100 (Routine)
Carlisle	United States	Record high minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Matanuska Exp Farm	United States	Record low minimum temperature	-7.8 C (18.0 F)	31 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Hatteras	United States	Record high maximum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Amherst	United States	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Holy Cross	United States	Record low minimum temperature	-9.4 C (15.1 F)	29 of 100 (Routine)
Matanuska Exp Farm	United States	Record low maximum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Atlin	Canada	Record low maximum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Hanover	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Plainfield	United States	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Talkeetna AP	United States	Record low minimum temperature	-11.7 C (10.9 F)	28 of 100 (Routine)
Moosomin	Canada	Record high minimum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Cowles	United States	Record low minimum temperature	-7.8 C (18.0 F)	27 of 100 (Routine)
McKinley Park	United States	Record low minimum temperature	-18.9 C (-2.0 F)	27 of 100 (Routine)
Nenana Muni AP	United States	Record low minimum temperature	-13.3 C (8.1 F)	27 of 100 (Routine)
Agua Branca (Imoroti)	Brazil	Record daily precipitation	35.2 mm (1.4 in)	26 of 100 (Routine)
Romney 1 SW	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
New Orleans Audubon	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Mayo A	Canada	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
Fairbanks Intl AP	United States	Record low minimum temperature	-13.9 C (7.0 F)	25 of 100 (Routine)
Dawson	Canada	Record low maximum temperature	-5.0 C (23.0 F)	24 of 100 (Routine)
Bowie	United States	Record low minimum temperature	0.6 C (33.1 F)	24 of 100 (Routine)
Amherst	United States	Record high minimum temperature	13.3 C (55.9 F)	24 of 100 (Routine)
New Bedford Coop	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Southport 5 N	United States	Record high maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Tanana AP	United States	Record low minimum temperature	-16.1 C (3.0 F)	24 of 100 (Routine)
Tbilisi	Georgia	Record high maximum temperature	29.5 C (85.1 F)	23 of 100 (Routine)
Dudinka	Russia	Record low maximum temperature	-15.9 C (3.4 F)	23 of 100 (Routine)
Corona	United States	Record low minimum temperature	-3.9 C (25.0 F)	23 of 100 (Routine)
Ft Stanton	United States	Record low minimum temperature	-2.2 C (28.0 F)	23 of 100 (Routine)
Las Vegas 2 NW	United States	Record low minimum temperature	-5.0 C (23.0 F)	23 of 100 (Routine)
Yakutat AP	United States	Record daily snowfall	15.2 cm (6.0 in)	23 of 100 (Routine)
Dawson	Canada	Record low minimum temperature	-13.3 C (8.1 F)	22 of 100 (Routine)
Ai-Petri	Ukraine	Record daily precipitation	30.2 mm (1.2 in)	22 of 100 (Routine)
Eagle Nest	United States	Record low minimum temperature	-12.2 C (10.0 F)	22 of 100 (Routine)
Manley Hot Springs	United States	Record low minimum temperature	-15.6 C (3.9 F)	22 of 100 (Routine)
McKinley Park	United States	Record low maximum temperature	-4.4 C (24.1 F)	22 of 100 (Routine)
Cordova AP	United States	Record low maximum temperature	3.9 C (39.0 F)	22 of 100 (Routine)
Pianco	Brazil	Record daily precipitation	33.9 mm (1.3 in)	21 of 100 (Routine)
Gettysburg	United States	Record high minimum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
Cheljabinsk-Balandi	Russia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Sawai Madhopur	India	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Nguiu	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Rajgarh	India	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Gaspe	Canada	Record daily snowfall	1.3 cm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

259 records

Records set or tied on 10 May 1964 by type: Highest daily maximum 33, Lowest daily maximum 28, Highest daily minimum 85, Lowest daily minimum 37, Heaviest daily rainfall 68, Heaviest daily snowfall 6, Deepest snow cover 2.

Records on 10 May 1964 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	28
Highest daily minimum	85
Lowest daily minimum	37
Heaviest daily rainfall	68
Heaviest daily snowfall	6
Deepest snow cover	2

Records on 10 May 1964 by timescale: all-time 0, monthly 10, daily 249.

How Much Records Were Beaten By

203 broken records

Margins by which the 203 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.0. Ties are not counted.

Top 20 by Significance

10 May 1964

Top 20 records on 10 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1964	Milan, IT	daily rain	50.2 mm (2.0 in)	26.2 mm (1.0 in)	89 years	59 of 100 (Notable)
10 May 1964	Mikhailovka, KZ	daily rain	26.7 mm (1.1 in)	22.1 mm (0.9 in)	16 years	49 of 100 (Notable)
10 May 1964	Milingimbi, AU	monthly rain	52.8 mm (2.1 in)	18.5 mm (0.7 in)	26 years	45 of 100 (Notable)
10 May 1964	Kokshetay, KZ	monthly rain	34.0 mm (1.3 in)	3.5 mm (0.14 in)	61 years	43 of 100 (Notable)
10 May 1964	Meerut Obsy, IN	daily rain	36.5 mm (1.4 in)	14.9 mm (0.6 in)	50 years	40 of 100 (Notable)
10 May 1964	Nepisiguit Falls, CA	daily rain	36.1 mm (1.4 in)	25.9 mm (1.0 in)	20 years	38 of 100 (Notable)
10 May 1964	Pawayan, IN	daily rain	30.2 mm (1.2 in)	13.7 mm (0.5 in)	56 years	36 of 100 (Notable)
10 May 1964	Port Blair, IN	daily rain	106.8 mm (4.2 in)	61.3 mm (2.4 in)	26 years	36 of 100 (Notable)
10 May 1964	Washington, US	daily high min	20.6 C (69.1 F)	0.6 C (1.1 F)	83 years	36 of 100 (Notable)
10 May 1964	Seward AP, US	daily low min	-6.7 C (19.9 F)	3.4 C (6.1 F)	54 years	35 of 100 (Notable)
10 May 1964	Valdez WSO, US	daily low min	-8.9 C (16.0 F)	4.5 C (8.1 F)	44 years	34 of 100 (Routine)
10 May 1964	Dumka, IN	daily rain	42.0 mm (1.7 in)	25.7 mm (1.0 in)	35 years	33 of 100 (Routine)
10 May 1964	Eagle, US	daily low max	-7.8 C (18.0 F)	13.4 C (24.1 F)	12 years	33 of 100 (Routine)
10 May 1964	Boa Viagem, BR	daily rain	61.9 mm (2.4 in)	18.9 mm (0.7 in)	48 years	32 of 100 (Routine)
10 May 1964	University Exp STN, US	daily low min	-16.7 C (1.9 F)	7.3 C (13.1 F)	29 years	32 of 100 (Routine)
10 May 1964	Carlisle, US	daily high min	19.4 C (66.9 F)	2.2 C (4.0 F)	67 years	31 of 100 (Routine)
10 May 1964	Matanuska Exp Farm, US	daily low min	-7.8 C (18.0 F)	4.5 C (8.1 F)	44 years	31 of 100 (Routine)
10 May 1964	Atlantic City Marina, US	daily high min	16.7 C (62.1 F)	0.6 C (1.1 F)	67 years	30 of 100 (Routine)
10 May 1964	Hatteras, US	daily high max	29.4 C (84.9 F)	1.1 C (2.0 F)	67 years	30 of 100 (Routine)
10 May 1964	Amherst, US	daily high max	32.2 C (90.0 F)	1.1 C (2.0 F)	68 years	29 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1805 to 1964

Records set or tied on this calendar date in each year from 1805 to 1964. 1964 had 259 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 1964-05-10: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	193
20 to 40	6
40 to 60	2
60 to 80	1
80 to 100	0
100 to 120	1